Abstract: An apparatus for acoustically detecting the location of a distal end of a tube relative to a body conduit into which the tube is being inserted is provided. The apparatus including a speaker positioned to generate a sound pulse in the tube and a sensor for detecting a sound pulse in the tube at a distal position relative to the speaker, and for generating a signal corresponding to the detected sound pulse.

Abstract: An apparatus for acoustically detecting the location of a distal end of a tube relative to a body conduit into which the tube is being inserted is provided. The apparatus including a speaker positioned to generate a sound pulse in the tube and a sensor for detecting a sound pulse in the tube at a distal position relative to the speaker, and for generating a signal corresponding to the detected sound pulse.

Abstract: A device and method for verifying the proper position of catheters in the body by means of acoustic reflectometry, the device including a sound source, one or more sound receivers, a tube with compliant walls and open distal end to be introduced through an entrance to a body cavity, the sound source and receiver(s) coupled to the proximal end of the tube, a processor for causing the sound source to generate an acoustic excitation signal, the processor processing the acoustic signals sensed by the sound receiver(s) and generating an approximation of the acoustic impulse response of the tube, and the processor analyzing the acoustic impulse response to determine the position of the tube in the body cavity.

Abstract: An apparatus for acoustically detecting the location of a distal end of a tube relative to a body conduit into which the tube is being inserted is provided. The apparatus including a speaker positioned to generate a sound pulse in the tube and a sensor for detecting a sound pulse in the tube at a distal position relative to the speaker, and for generating a signal corresponding to the detected sound pulse.

Abstract: An apparatus for acoustically detecting the location of a distal end of a tube relative to a body conduit into which the tube is being inserted is provided. The apparatus including a speaker positioned to generate a sound pulse in the tube and a sensor for detecting a sound pulse in the tube at a distal position relative to the speaker, and for generating a signal corresponding to the detected sound pulse.

Abstract: A method for guiding suction of an obstruction may comprise emitting sound waves from a sound generator into a tube, detecting returning acoustic reflections with at least one sound receiver, analyzing, using a processor, timings and amplitudes of the returning acoustic reflections to determine a location and size of an obstruction within the tube and a location of a tip of a suction catheter, and guiding the suction catheter to the obstruction.

Abstract: A method for guiding suction of an obstruction may comprise emitting sound waves from a sound generator into a tube, detecting returning acoustic reflections with at least one sound receiver, analyzing, using a processor, timings and amplitudes of the returning acoustic reflections to determine a location and size of an obstruction within the tube and a location of a tip of a suction catheter, and guiding the suction catheter to the obstruction.

Abstract: An apparatus for acoustically detecting the location of a distal end of a tube relative to a body conduit into which the tube is being inserted is provided. The apparatus including a speaker positioned to generate a sound pulse in the tube and a sensor for detecting a sound pulse in the tube at a distal position relative to the speaker, and for generating a signal corresponding to the detected sound pulse.

Abstract: A device and method for verifying the proper position of catheters in the body by means of acoustic reflectometry, the device including a sound source, one or more sound receivers, a tube with compliant walls and open distal end to be introduced through an entrance to a body cavity, the sound source and receiver(s) coupled to the proximal end of the tube, a processor for causing the sound source to generate an acoustic excitation signal, the processor processing the acoustic signals sensed by the sound receiver(s) and generating an approximation of the acoustic impulse response of the tube, and the processor analyzing the acoustic impulse response to determine the position of the tube in the body cavity.

Abstract: A device and method for verifying the proper position of catheters in the body by means of acoustic reflectometry, the device including a sound source, one or more sound receivers, a tube with compliant walls and open distal end to be introduced through an entrance to a body cavity, the sound source and receiver(s) coupled to the proximal end of the tube, a processor for causing the sound source to generate an acoustic excitation signal, the processor processing the acoustic signals sensed by the sound receiver(s) and generating an approximation of the acoustic impulse response of the tube, and the processor analyzing the acoustic impulse response to determine the position of the tube in the body cavity.

Abstract: An apparatus for acoustically detecting the location of a distal end of a tube relative to a body conduit into which the tube is being inserted is provided. The apparatus including a speaker positioned to generate a sound pulse in the tube and a sensor for detecting a sound pulse in the tube at a distal position relative to the speaker, and for generating a signal corresponding to the detected sound pulse.

Abstract: A method for guiding suction of an obstruction may comprise emitting sound waves from a sound generator into a tube, detecting returning acoustic reflections with at least one sound receiver, analyzing, using a processor, timings and amplitudes of the returning acoustic reflections to determine a location and size of an obstruction within the tube and a location of a tip of a suction catheter, and guiding the suction catheter to the obstruction.

Abstract: A device and method for verifying the proper position of catheters in the body by means of acoustic reflectometry, the device including a sound source, one or more sound receivers, a tube with compliant walls and open distal end to be introduced through an entrance to a body cavity, the sound source and receiver(s) coupled to the proximal end of the tube, a processor for causing the sound source to generate an acoustic excitation signal, the processor processing the acoustic signals sensed by the sound receiver(s) and generating an approximation of the acoustic impulse response of the tube, and the processor analyzing the acoustic impulse response to determine the position of the tube in the body cavity.

Abstract: Light fixtures for illuminating spaces that use light emitting diode-based light sources and that incorporate chip on board technology that enables the light emitting diode to be mounted directly on a portion of the light fixture. In some embodiments, the light fixture includes a reflector assembly onto which the light emitting diode is directly mounted. In other embodiments, the reflector assembly includes an aperture that receives a board having chip on board technology onto which the light emitting diode is directly mounted. In some embodiments, the light fixture also includes a diffuser for diffusing the light emanating from the light emitting diodes.

Abstract: An apparatus for acoustically detecting the location of a distal end of a tube relative to a body conduit into which the tube is being inserted is provided. The apparatus including a speaker positioned to generate a sound pulse in the tube and a sensor for detecting a sound pulse in the tube at a distal position relative to the speaker, and for generating a signal corresponding to the detected sound pulse.

Abstract: A lighting assembly having a plurality of light sources and a lens matrix having a plurality of lenses. The lens matrix may be positioned relative to the light sources so that each light source resides in a first orientation within one of the lenses and emits a light distribution. Relative translation between the light sources and the lens matrix alters the orientation of the light sources within the lenses, creating a different light distribution. A light source's orientation may change within the same lens, or the light source may translate to a different lens to alter the distribution of its emitted light.

Abstract: Light fixtures for illuminating spaces that use light emitting diode-based light sources and that incorporate chip on board technology that enables the light emitting diode to be mounted directly on a portion of the light fixture. In some embodiments, the light fixture includes a reflector assembly onto which the light emitting diode is directly mounted. In other embodiments, the reflector assembly includes an aperture that receives a board having chip on board technology onto which the light emitting diode is directly mounted. In some embodiments, the light fixture also includes a diffuser for diffusing the light emanating from the light emitting diodes.

Abstract: A lighting assembly having a plurality of light sources and a lens matrix having a plurality of lenses. The lens matrix may be positioned relative to the light sources so that each light source resides in a first orientation within one of the lenses and emits a light distribution. Relative translation between the light sources and the lens matrix alters the orientation of the light sources within the lenses, creating a different light distribution. A light source's orientation may change within the same lens, or the light source may translate to a different lens to alter the distribution of its emitted light.

Abstract: A lighting assembly having a plurality of light sources and a lens matrix having a plurality of lenses. The lens matrix may be positioned relative to the light sources so that each light source resides in a first orientation within one of the lenses and emits a light distribution. Relative translation between the light sources and the lens matrix alters the orientation of the light sources within the lenses, creating a different light distribution. A light source's orientation may change within the same lens, or the light source may translate to a different lens to alter the distribution of its emitted light.

Abstract: Embodiments of lighting assemblies disclosed herein are particularly designed for installation in display units to more effectively distribute light towards, and thereby better illuminate, the products housed in the display unit. The lighting assemblies include at least one, but preferably a plurality of, light emitting diodes mounted on a frame. The frame is preferably formed so as to have a number of mounting arms on which to mount the LEDs. In this way, the LEDs can be positioned on the arms and their emitted light can be directed to focus on different aspects of the display unit (i.e., the products housed in the unit, banners or advertisements on the unit, etc.). The lighting assemblies may include, but do not have to include, various optical features to enhance the distribution of light emitted from the LEDs, including, but not limited to, lenses, reflectors, etc.